Finding the Fourth Proportional to 1,551,654.48, 2,141,269.08 and 872,576.40
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Solution
The fourth proportional to 1,551,654.48, 2,141,269.08 and 872,576.40 is: 1,204,147.50
Step by Step Solution
- Step 1: Write the proportion equation
1,551,654.48 : 2,141,269.08 = 872,576.40 : x - Step 2: Convert to fraction form
1,551,654.48/2,141,269.08 = 872,576.40/x - Step 3: Cross multiply
1,551,654.48x = 2,141,269.08 × 872,576.40 - Step 4: Simplify right side
1,551,654.48x = 1,868,420,865,257.71 - Step 5: Solve for x
x = 1,868,420,865,257.71/1,551,654.48 - Step 6: Final answer
x = 1,204,147.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.